Failure on test_list_security_groups_list_all_tenants_filter

[Joshua Harlow]

Seeing a new failure that appears to be happening with listing security groups for tenants.

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    Traceback (most recent call last):
      File "tempest/api/compute/admin/test_security_groups.py", line 76, in test_list_security_groups_list_all_tenants_filter
        resp, fetched_list = self.adm_client.list_security_groups(params=param)
      File "tempest/services/compute/json/security_groups_client.py", line 40, in list_security_groups
        resp, body = self.get(url)
      File "tempest/common/rest_client.py", line 212, in get
        return self.request('GET', url, extra_headers, headers)
      File "tempest/common/rest_client.py", line 410, in request
        resp, resp_body)
      File "tempest/common/rest_client.py", line 454, in _error_checker
        raise exceptions.NotFound(resp_body)
    NotFound: Object not found
    Details: {"itemNotFound": {"message": "Security group 46 not found.", "code": 404}}

Link to failure @ http://logs.openstack.org/61/94461/5/check/check-grenade-dsvm/0f784fc/console.html